Phenolic constituents isolated from Senna tora sprouts and their neuroprotective effects against glutamate-induced oxidative stress in HT22 and R28 cells

Jaeyoung Kwon, Hoseong Hwang, Baskar Selvaraj, Jung Hwan Lee, Woongbi Park, Seung Mok Ryu, Dongho Lee, Jin Soo Park, Hyoung Seok Kim, Jae Wook Lee, Dae Sik Jang, Hak Cheol Kwon

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The consumption of sprouts has been steadily increasing due to their being an excellent source of nutrition. It is known that the bioactive constituents of legumes can be increased after germination. In this study, the extract from Senna tora sprouts is shown to exhibit improved radical scavenging activities and better neuroprotective effects in HT22 hippocampal neuronal (HT22) and R28 retina precursor (R28) cells than those from seeds due to an increased content of phenolic constituents, especially compounds 1 and 3-6. A phytochemical investigation of S. tora sprouts resulted in the isolation of two new naphthopyrone glycosides (1-2) with 27 previously reported compounds. Their structures were determined via interpreting spectroscopic data. Compounds 1 and 3-6 were found to possess radical scavenging activities and neuroprotective effects against oxidative stress in both neuronal cells. Hence, Senna tora sprouts and their constituents may be developed as natural neuroprotective agents via antioxidative effects.

Original languageEnglish
Pages (from-to)105112
Number of pages1
JournalBioorganic Chemistry
Volume114
DOIs
Publication statusPublished - 2021 Sep 1

Keywords

  • Antioxidant
  • Fabaceae
  • Naphthopyrone
  • Neuroprotective effect
  • Senna tora
  • Sprout

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Drug Discovery
  • Organic Chemistry

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